Author(s): Juha Jarvela
Linked Author(s): Juha Järvelä
Keywords: Hydraulics; Flow resistance; Vegetation; Rivers; Floodplains; Wetlands
Abstract: This paper investigates the estimation of flow resistance caused by branched woody vegetation. Much of the earlier work on the hydraulic properties of woody vegetation is based on laboratory studies using artificial rigid vegetation. In this paper, the differences between complex natural plants and simple cylinders are studied. Based on knowledge obtained from experimental studies with natural vegetation, a computational procedure, which takes into account the branched structure of vegetation in estimating flow resistance coefficients, is discussed. The procedure is intended to allow the determination of the relationship between flow resistance and measurable plant characteristics for flows over floodplains and wetlands with woody vegetation.
Year: 2005